XY_SSY0:=REF(CLOSE,1);XY_SSY1302:=SMA(MAX(CLOSE-XY_SSY1300,0),6,1);XY_SSY1303:=SMA(A(CLOSE-XY_SSY1300),6,1);XY_SDFX:=(CLOSE-LLV(CLOSE,250))/LLV(CLOSE,250)*100;XY_SKFX:=(HHV(CLOSE,250)-CLOSE)/CLOSE*100;XY_SSY1301:=XY_SSY1302/XY_SSY1303*100;白鲨鱼:IF(REF(XY_SSY1301,1)>80 AND XY_SSY1301<80>XY_SDFX,50,0);